Chapter 1: Explore the Network

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Chapter 1: Explore the Network
Instructor Materials Chapter 1: Explore the Network
Chapter 1: Exploring the Network
Chapter 1: Explore the Network
Chapter 1: Exploring the Network
Chapter Goals Compare and contrast various technologies for home Internet connections Explain packet switching Describe the basic roles of various network.
Presentation transcript:

Chapter 1: Explore the Network Introduction to Networks v5.1

Chapter Outline 1.0 Introduction 1.1 Globally Connected 1.2 LANs, WANs, and the Internet 1.3 The Network as a Platform 1.4 The Changing Network Environment 1.5 Summary Chapter Outline

Section 1.1: Globally Connected Upon completion of this section, you should be able to: Explain how networks affect the way we interact, learn, work, and play. Explain how host devices can be used as clients, servers, or both.

Topic 1.1.1: Networking Today

Networks in Our Daily Lives

Technology Then and Now

No Boundaries Networks support the way we: Learn Communicate Work Play 1.1.1.5 Networks Support the Way We Communicate 1.1.1.6 Networks Support the Way We Work 1.1.1.7 Networks Support the Way We Play 1.1.1.8 Lab - Researching Network Collaboration Tools

Topic 1.1.2: Providing Resources in a Network

Networks of Many Sizes 1.1.2.1 Networks of Many Sizes

Clients and Servers 1.1.2.2 Clients and Servers

Peer-to-Peer 1.1.2.3 Peer-to-Peer

Section 1.2: LANs, WANs, and the Internet Upon completion of this section, you should be able to: Explain the use of network devices. Compare the devices and topologies of a LAN to the devices and topologies of a WAN. Describe the basic structure of the Internet. Explain how LANs and WANs interconnect to the Internet.

Topic 1.2.1: Network Components

Overview of Network Components

Overview of Network Components (cont.)

Overview of Network Components (cont.)

End Devices 1.2.1.2 End Devices

Intermediary Network Devices

Network Media 1.2.1.4 Network Media

Network Media (cont.) 1.2.1.4 Network Media (Cont.)

Network Representations

Network Representations (Cont.) Network Interface Card 1.2.1.5 Network Representations (Cont.)

Topology Diagrams Physical Topology 1.2.1.6 Topology Diagrams

Topology Diagrams (Cont.) Logical Topology 1.2.1.6 Topology Diagrams (Cont.) 1.2.1.7 Activity – Network Component Representations and Fucntions

Topic 1.2.2: LANs and WANs

Types of Networks 1.2.2.1 Types of Networks

Types of Networks The two most common types of network infrastructures are: Local Area Network (LAN) Wide Area Network (WAN) Other types of networks include: Metropolitan Area Network (MAN) Wireless LAN (WLAN) Storage Area Network (SAN) 1.2.2.1 Types of Networks (Cont.)

Local Area Networks 1.2.2.2 Local Area Networks

Wide Area Networks LANs separated by geographic distance are connected by a network known as a WAN. 1.2.2.3 Wide Area Networks

Topic 1.2.3: The Internet, Intranets, and Extranets

The Internet LANs use WAN services to interconnect.

Intranets and Extranets

Topic 1.2.4: Internet Connections

Internet Access Technologies Internet Service Provider (ISP) Broadband cable Broadband Digital Subscriber Line (DSL) Wireless WANs Mobile Services Business DSL Leased Lines Metro Ethernet 1.2.4.1 Internet Access Technologies

Home and Small Office Internet Connections

Business Internet Connections 1.2.4.4 Packet Tracer – Help and Navigation Tips 1.2.4.5 Packet Tracer – Network Representation

Section 1.3: The Network as a Platform Upon completion of this section, you should be able to: Explain the concept of a converged network. Describe the four basic requirements of a reliable network.

Topic 1.3.1: Converged Networks

Traditional Separate Networks

The Converging Networks 1.3.1.3 Lab – Researching Converged Network Services

Topic 1.3.2: Reliable Networks

Network Architecture 1.3.2.1 Network Architecture

Fault Tolerance 1.3.2.2 Fault Tolerance

Scalability 1.3.2.3 Scalability

Quality of Service 1.3.2.4 Quality of Service

Security 1.3.2.5 Security

Security (cont.) 1.3.2.5 Security (Cont.) 1.3.2.6 Activity – Network Architecture Requirements

Section 1.4: The Changing Network Environment Upon completion of this section, you should be able to: Explain how trends such as BYOD, online collaboration, video, and cloud computing are changing the way we interact. Explain how networking technologies are changing the home environment. Identify basic security threats and solutions for both small and large networks. Describe the importance of understanding the underlying switching and routing infrastructure of a network.

Topic 1.4.1: Network Trends

New Trends Top trends include: Bring Your Own Device (BYOD) Online collaboration Video communications Cloud computing 1.4.1.1 New Trends

Bring Your Own Device 1.4.1.2 Bring Your Own Device

Online Collaboration 1.4.1.3 Online Collaboration

Video Communication 1.4.1.4 Video Communication

Cloud Computing 1.4.1.5 Cloud Computing

Topic 1.4.2: Networking Technologies for the Home

Technology Trends in the Home

Powerline Networking 1.4.2.2 Powerline Networking

Wireless Broadband 1.4.2.3 Wireless Broadband

Topic 1.4.3: Network Security

Security Threats 1.4.3.1 Security Threats

Security Threats The most common external threats to networks include: Viruses, worms, and Trojan horses Spyware and adware Zero-day attacks, also called zero-hour attacks Hacker attacks Denial of service attacks Data interception and theft Identity theft 1.4.3.1 Security Threats (Cont.)

Security Solutions Minimum solutions: Antivirus and antispyware Firewall filtering Additional solutions: Dedicated firewall systems Access control lists (ACL) Intrusion prevention systems (IPS) Virtual Private Networks (VPNs) 1.4.3.2 Security Solutions 1.4.3.3 Activity – Identify Network Security Terminology

Topic 1.4.4: Network Architecture

Cisco Network Architecture

CCNA 1.4.4.2 CCNA 1.4.4.3 Lab – Researching IT and Networking Job Opportunities

Section 1.5: Summary Chapter Objectives: Explain how multiple networks are used in everyday life. Describe the topologies and devices used in a small to medium-sized business network. Explain the basic characteristics of a network that supports communication in a small to medium-sized business. Explain trends in networking that will affect the use of networks in small to medium-sized businesses. 1.5.1.1 Class Activity – Draw Your Concept of the Internet Now 1.5.1.2 Video - Warriors of the Net 1.5.1.3 Chapter 1: Exploring the Network